![Giovanni's Nidoqueen [1st Edition] #23](https://storage.googleapis.com/images.pricecharting.com/601117c39c9d13a3018f7f63ba573af8d5e95e226400fc4541b3c7aba65f8e43/1600.jpg)
Giovanni's Nidoqueen [1st Edition] #23
Pokemon Gym Challenge · #23 · Oct 2000
Maybe — Proceed with Caution
Should You Grade?
Raw Price
$33.47
Expected Value
$58.59
Net Profit
$181.52
Gem Rate
32.3%
ROI
+375%
Sales / Yr
90
The gem rate is only 32% — you'll need a very clean copy to hit PSA 10. Only 90 sales per year — it may take time to find a buyer at full price.
Best Tier for Flipping
Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.
Profitability by Grading Company
Shows the best-value tier from each grading company based on EV, cost, and turnaround. Pop = total graded population; 10s = grade 10 count.
Price by Grade
Raw
$33.47
BGS 10
$315.00
PSA 10
$242.23
CGC 10
$229.99
SGC 10
$145.00
9
$55.70
BGS 9.5
$52.00
8
$35.00
7
$23.75
32.3%Gem Rate (PSA 10)
+5 graded in 30 days
+13 in 90 days
Grade Distribution (443 total graded)
443Total
PSA 1014332.3%
PSA 920345.8%
PSA 86614.9%
PSA 7122.7%
Below 7194.3%